Snowplow



g- 1929- E. ROSENBERGER SNQWPLOW Filed Dec. 21, 1927 2 SheetsSheet 1 Aug. 13, 1929.

Filed Dec. 21, 1927 2 Sheets-Sheet 2 m a N 3 w I Q Q t I z\ I 5 o o I o 0 1 Q l h Y .L "I *3 p 8 I H x o o o I o 7 1 [Q I Q 1 I; a v I w m V o 0 Q L Swuewtoz E. R0 can b c2 39)- \M 1 w v; I F flaw/W Patented Aug. 13, i929}.

UNITED STATES ERNST BOSENIBERGER, MANKA'TU, MINNESOTA.

SITOWIPLOW.

Application filed December This invention relates to means for the removal. of snow and provides an attachment for use in connection with a four wheel drive truck for scooping u p the snow and discharging it to one side or the other of the roadway as found most advantageous.

The invention contemplates extension of the engine shaft forwardly and the provision of a clutch for coupling the drive shaft thereto whereby the snow conveyor mechanism is operated, said drive shaft having a universal joint to admit of vertical. adjust ment of the snow elevating; mechanism.

While the drawings illustrate a preferred embodiment of the invention it is to be understood that in adapting the means to meet specific needs and requirements, the design may be varied and such other changes in the minor details of construction may be resorted. to within the scope of the invent-ion as claimed, without departing; from the spirit thereof.

For a full understanding of the invention and the merits thereof, reference is to be had to the following description and the drawings hereto attached, in which,

l igure 1 is a side view of a four wheel drive truck equipped with a snow plow embodying the invention.

Figure 2 is a front view of the scoop and a portion of the pipe for delivering the snow to one side of the roadway.

Figure 3 is a top plan view of the part shown in Figure 2, a portion of the scoop being broken away.

Figure 4: is an enlarged plan sectional. view of the drive mechanism for the snow conveyors, and a portion of the truck frame and the snow plow frame.

Corresponding and like parts are referred to in the following description and designated in the several views of the drawings by like reference characters.

The numeral 1 denotes generally a four wheel drive truck of any approved form. To adapt the truck for cooperation with a snow plow the shaft of the engine is extendin forwardly, as indicated at 2, in Figure l of the accompanying; drawings. A clutch member 1) is fixedly mounted upon the extension 2 of the engine shaft, and a movable clutch member a is provided to cooperate therewith. A shift lever 5 mounted upon an arm 6 is adapted to be operated from the cab of the truck by means of a lever 7 to 21. 1927'. Eerial No. 241,616.

which it is connected by means of a rod 8. 'llranswrsc bars 9 at the front of the truck connect the side bars 1-0 and are provided with bearings in which a shaft section 11 mounted. The movable clutch member f splined to the shaft section 11 so as to rotate therewith. An open coil spring 12 norinally holds the member f in engagement with the member 3, whereby the engine shaft 2 is connected to the drive shaft of which. the section 11 forms a part. The numeral. 1%) denotes another section of the drive shaft which is connected to the section fll by means of a univers-ial joint 1.4;. ()tlier shafts l5 and disposed at opposite sides of the drive shaft are geared thereto and are mounted in side pieces 17 of part of a box or housing which connects the side bars forming part of the frame of the snow plow. The shafts l5 and 16 a re n'ovided with screw conveyors 18, whereby positive movement of the snow is effected.

The supporting frame of the snow plow incliules side bars 19 which are connected by means of the box or housing 17 and which are pivotally connected at their rear ends to the front ends of the side bars 10 of the clutch frame as indicated at 20. A transverse bar 2i connects the front ends of the side bars 19. A casing 22 is mounted upon the snow plow "frame, and its rear portion is shaped to approximate an elbow which extends upwardly. it scoop 23 is provided at the front end of the casing 22, and its lower portion. has a blade 24 connected thereto which serves as a reinforcement and means for cutting through the snow. The scoop 23 flares forwardly, and its rear portion connects with the casing 253 and with two tubes 25 disposed therein and forming shelves for the screw conveyors 18. The rear ends of the tubes 25 merge into the elbow of the casing 22 so as to discharge the snow therein. An elbow 26 is connected to the elbow of the casing 22 by means of a swivel joint to admit of lateral movement of the rear ends of the elbow 26. The shafts l5 and 16 are journaled at their front ends in the transverse bar 21 which is olnpositely beveled to present an edge for ready penetration of the snow.

A horizontally disposed pipe 27 connects with the rear end of the elbow 9A3 and its rear end is adapted to he raised and lowered. The pipe 27 is adapted to turn about a pivot 28 and its front end flares, as indicated at 29 and receives the rear end of the elbow 26 which is contracted, as shown most clearly in Figure 1 of the drawings. In this manner a close joint is maintained between the pipe 27 and the elbow 26. The swivel connection between the elbows 26 and 22 admits of the rear end of the pipe 27 moving laterally to discharge the snow, either to the right or to the left, as found most advantageous. A flexible connection 30, such as a rope or chain, is connected to the pipe 27 and passes over a pulley at the upper end of a post 31, and isadapted to be wound upon a Windlass 32. The rear end of the pipe 27 may be raised or lowered by proper manipulation of the windlass 32 to wind the connection thereon, or unwind it therefrom.

The shafts l5 and 16 may be connected to the drive shaft in any preferred way, and as shown, sprocket wheels 33 and fast to the drive shaft are connected by sprocketchains 35 and 36 to sprocket wheels 37 and 38 fast to the respective shafts l6 and 15. then the drive shaft comprising the sections 11 and 13 is clutched to the engine shaft 2 the screw conveyors 18 are positively rotated to move the snow through the tubes 25, pipe 27 and the elbows connecting the parts 25 and 27 As the plow is pushed forward by the truck the snow is gathered in by means of the scoop 23 and directed into the tubes 25, and is forcibly urged therethrough by means of the screw conveyors 18 in the man ner stated and discharged at the side of the roadway out of the path of the truck.

Upon removing the bolts 20 the snow plow may be readily disconnected from the truck as the member of the universal joint 14 on the shaft 11 is connected thereto by means of a slip joint. Caster wheels 39 support the front end of the snow plow and admit of ready turning without the necessity of lifting the scoop 23.

Having thus described the invention, I claim:

1. A snow plow for a four wheel drive truck having its engine shaft extended forwardly, a casing having a scoop at its frontend and an elbow at its rear end, a supporting frame for the casing including side bars pivotally connected to the side bars of the truck, and front and rear transverse bars connecting the side bars, tubes within the casing, screw conveyors within the tubes mounted in the transverse bars of the frame. a drive shaft including a universal joint, connections between the drive shaft and the conveyors, a clutch for connecting the drive shaft to the extension of the said engine shaft, a discharge pipe and an elbow connecting the discharge pipe with the elbow of the said casing.

2. The combination with a motor driven truck having the engine shaft extended forwardly, and a sectional drive shaft in line with the engine shaft and having its sections connected by means of a universal joint, of a clutch having one member fast to the extension of the engine shaft and the companion member splined to the contiguous end of the drive shaft, snow elevating and conveying mechanism connected to the forward section of the drive shaft and pivoted to the truck for vertical adjustment at its front end, a discharge pipe extending over the truck and adjustable vertically and laterally at its rear end, and an elbow between the discharge pipe and the snow elevating and conveying mechanism and connected with the latter by means of a swivel joint.

In testimony whereof I ailix my signature.

ERNST ROSENBERGER. L. s] 

